BoilerFaultCodes 1 14 Low
Boiler Fault Code 1 14
Also written as 114 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 1 14 appears across 1 boiler brand and 15 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is struggling because it has lost the signal from the weather sensor mounted outside your home, meaning it cannot automatically adjust your heating based on the temperature outdoors. (As reported on Ariston Clas Net One)
Pick your boiler brand for the 1 14 fix
Source
Information for the 1 14 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026